On October 17, 1952, Giáp launched attacks against the French garrisons along Nghĩa Lộ, northwest of Hanoi, and overran much of the Black River valley, except for the airfield of Nà Sản where a strong French garrison entrenched.
As no announcement occurred—the Daily Mirror on 17 October showed a photograph of Margaret's left hand with the headline "NO RING YET!"—the press wondered why. Parliamentarians "are frankly puzzled by the way the affair has been handled", the News Chronicle wrote. "If a marriage is on, they ask, why not announce it quickly? If there is to be no marriage, why to allow the couple to continue to meet without a clear denial of the rumors?".
On October 17, Arab oil producers cut production by 5% and instituted an oil embargo against Israel's allies: the United States, the Netherlands, Rhodesia, South Africa, and Portugal.
On October 17, 1987, about 3,000 Armenians demonstrated in Yerevan complaining about the condition of Lake Sevan, the Nairit chemicals plant, and the Metsamor Nuclear Power Plant, and air pollution in Yerevan.
By 17 October 1990, a peace agreement formally ending the insurgency was ratified at Wisma Bapa Malaysia in the state capital Kuching. Shortly afterwards, the last remaining NKCP operatives led by Ang Cho Teng surrendered. These developments ended the communist insurgency in Sarawak.